Warning: file_put_contents(/www/wwwroot/ppbbbu/5356789.com/cache/f72d67bc591ed3a652cebe71f753e874.txt): failed to open stream: No space left on device in /www/wwwroot/ppbbbu/5356789.com/index.php on line 55 diminishing marginal physical product是什么意思，diminishing marginal physical product的翻译，diminishing marginal physical product音标、读音、用法和例句_零六五六深蓝词典